PESHAWAR:- A person gunned down his wife and two daughters over a petty issue in Pahari Pura area on Monday. Registering FIR, son of the alleged perpetrator Nader told police that his father exchanged some harsh words with his mother and sisters over some family matter. After this, he said that his father he picked up gun and open indiscriminate firing at her daughters and wife. The killed persons were identified as mother of Nader and his two sisters Laiba and Rabia. Police registered FIR and started investigation.–Staff reporter